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-rw-r--r--lib/libalpm/be_files.c11
-rw-r--r--lib/libalpm/delta.c15
-rw-r--r--lib/libalpm/dload.c10
3 files changed, 26 insertions, 10 deletions
diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c
index f5d4e826..b9ff6464 100644
--- a/lib/libalpm/be_files.c
+++ b/lib/libalpm/be_files.c
@@ -51,7 +51,7 @@
* Return the last update time as number of seconds from the epoch.
* Returns 0 if the value is unknown or can't be read.
*/
-time_t getlastupdate(const pmdb_t *db)
+static time_t getlastupdate(const pmdb_t *db)
{
FILE *fp;
char *file;
@@ -85,7 +85,7 @@ time_t getlastupdate(const pmdb_t *db)
/*
* writes the dbpath/.lastupdate file with the value in time
*/
-int setlastupdate(const pmdb_t *db, time_t time)
+static int setlastupdate(const pmdb_t *db, time_t time)
{
FILE *fp;
char *file;
@@ -500,7 +500,7 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
if(fgets(line, 512, fp) == NULL) {
goto error;
}
- info->reason = atol(_alpm_strtrim(line));
+ info->reason = (pmpkgreason_t)atol(_alpm_strtrim(line));
} else if(strcmp(line, "%SIZE%") == 0 || strcmp(line, "%CSIZE%") == 0) {
/* NOTE: the CSIZE and SIZE fields both share the "size" field
* in the pkginfo_t struct. This can be done b/c CSIZE
@@ -618,7 +618,10 @@ int _alpm_db_read(pmdb_t *db, pmpkg_t *info, pmdbinfrq_t inforeq)
_alpm_strtrim(line);
if(strcmp(line, "%DELTAS%") == 0) {
while(fgets(line, 512, fp) && strlen(_alpm_strtrim(line))) {
- info->deltas = alpm_list_add(info->deltas, _alpm_delta_parse(line));
+ pmdelta_t *delta = _alpm_delta_parse(line);
+ if(delta) {
+ info->deltas = alpm_list_add(info->deltas, delta);
+ }
}
}
}
diff --git a/lib/libalpm/delta.c b/lib/libalpm/delta.c
index 22d9beb4..8dce7e3b 100644
--- a/lib/libalpm/delta.c
+++ b/lib/libalpm/delta.c
@@ -22,6 +22,8 @@
#include <stdlib.h>
#include <string.h>
#include <limits.h>
+#include <sys/types.h>
+#include <regex.h>
/* libalpm */
#include "delta.h"
@@ -257,6 +259,19 @@ pmdelta_t *_alpm_delta_parse(char *line)
{
pmdelta_t *delta;
char *tmp = line, *tmp2;
+ regex_t reg;
+
+ regcomp(&reg,
+ "^[^[:space:]]* [[:xdigit:]]{32}"
+ " [^[:space:]]* [[:xdigit:]]{32}"
+ " [^[:space:]]* [[:xdigit:]]{32} [[:digit:]]*$",
+ REG_EXTENDED | REG_NOSUB | REG_NEWLINE);
+ if(regexec(&reg, line, 0, 0, 0) != 0) {
+ /* delta line is invalid, return NULL */
+ regfree(&reg);
+ return(NULL);
+ }
+ regfree(&reg);
CALLOC(delta, 1, sizeof(pmdelta_t), RET_ERR(PM_ERR_MEMORY, NULL));
diff --git a/lib/libalpm/dload.c b/lib/libalpm/dload.c
index f197d060..9934f30a 100644
--- a/lib/libalpm/dload.c
+++ b/lib/libalpm/dload.c
@@ -112,12 +112,12 @@ static int download_internal(const char *url, const char *localpath,
FILE *dlf, *localf = NULL;
struct url_stat ust;
struct stat st;
- int chk_resume = 0;
- size_t dl_thisfile = 0;
+ int chk_resume = 0, ret = 0;
+ size_t dl_thisfile = 0, nread = 0;
char *tempfile, *destfile, *filename;
- int ret = 0;
struct sigaction new_action, old_action;
struct url *fileurl = url_for_string(url);
+ char buffer[PM_DLBUF_LEN];
if(!fileurl) {
return(-1);
@@ -208,9 +208,8 @@ static int download_internal(const char *url, const char *localpath,
handle->dlcb(filename, 0, ust.size);
}
- size_t nread = 0;
- char buffer[PM_DLBUF_LEN];
while((nread = fread(buffer, 1, PM_DLBUF_LEN, dlf)) > 0) {
+ size_t nwritten = 0;
if(ferror(dlf)) {
pm_errno = PM_ERR_LIBFETCH;
_alpm_log(PM_LOG_ERROR, _("error downloading '%s': %s\n"),
@@ -219,7 +218,6 @@ static int download_internal(const char *url, const char *localpath,
goto cleanup;
}
- size_t nwritten = 0;
while(nwritten < nread) {
nwritten += fwrite(buffer, 1, (nread - nwritten), localf);
if(ferror(localf)) {